"In addition to being both a false equivalence and just false, this sentence contradicts the thesis of the article, which is that Congress cannot function because of partisanship".
Building on and systematizing earlier ideas of Dennett (1996) and Haugeland (1995), Clark and Chalmers (1998) have offered two complementary arguments in favor of the extended mind thesis: the cognitive enhancement and the functional equivalence arguments.
The key theses of Williamson's counterfactual theory are: Logical Equivalence: metaphysical possibility and necessity can be proven to be logically equivalent to counterfactual conditionals.
The proposal requires descriptivism, the thesis that ordinary proper names have descriptive equivalences, which many find to be a problematic thesis.
We may usefully state Geach's thesis using the terminology of absolute and relative equivalence relations.
On the other hand, it might seem that quick examples like van Fraassen's variants of Newtonian cosmology do not serve to make this thesis as plausible as the more limited claim of empirical equivalence for individual theories.
This equivalence belies history.
There was no equivalence.
"False equivalence" reporting.
